🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504

Radius: 8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.67 AU - 0.75 AU

Year: 406 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,994,574 km

• M1: 99,483 km (0.109 R)
• M2: 357,389 km (0.065 R)
• M3: 824,434 km (0.059 R)
• M4: 1,077,105 km (0.096 R)
• M5: 1,346,381 km (0.049 R)
• M6: 1,695,841 km (0.035 R)
• M7: 2,016,729 km (0.036 R)
• M8: 2,933,315 km (0.069 R)
• M9: 3,297,436 km (0.077 R)
• M10: 3,667,392 km (0.083 R)
• M11: 3,962,848 km (0.113 R)
• M12: 4,587,867 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 10.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.82 AU - 1.02 AU

Year: 599 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 92.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,994,574 km

• M1: 133,142 km (0.106 R)
• M2: 506,838 km (0.105 R)
• M3: 990,039 km (0.09 R)
• M4: 1,675,347 km (0.083 R)
• M5: 2,035,877 km (0.119 R)
• M6: 2,427,674 km (0.047 R)
• M7: 3,160,853 km (0.071 R)
• M8: 3,634,630 km (0.057 R)
• M9: 3,976,461 km (0.117 R)
• M10: 4,960,965 km (0.035 R)
• M11: 5,365,028 km (0.103 R)
• M12: 6,945,081 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.6

Radius: 9.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.89 AU - 1.45 AU

Year: 858 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,994,574 km

• M1: 113,246 km (0.118 R)
• M2: 424,559 km (0.117 R)
• M3: 817,403 km (0.114 R)
• M4: 1,141,432 km (0.045 R)
• M5: 1,434,943 km (0.083 R)
• M6: 1,770,790 km (0.105 R)
• M7: 2,230,953 km (0.091 R)
• M8: 2,733,303 km (0.083 R)
• M9: 3,018,287 km (0.055 R)
• M10: 3,605,009 km (0.08 R)
• M11: 4,897,086 km (0.113 R)
• M12: 6,134,560 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 11.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.29 AU - 1.71 AU

Year: 1246 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,994,574 km

• M1: 145,559 km (0.07 R)
• M2: 566,378 km (0.104 R)
• M3: 950,545 km (0.075 R)
• M4: 1,735,186 km (0.108 R)
• M5: 2,090,331 km (0.106 R)
• M6: 2,991,808 km (0.12 R)
• M7: 3,886,104 km (0.095 R)
• M8: 4,521,296 km (0.11 R)
• M9: 5,804,098 km (0.063 R)
• M10: 6,449,164 km (0.086 R)
• M11: 8,122,865 km (0.117 R)
• M12: 8,618,034 km (0.118 R)
• M13: 9,339,245 km (0.093 R)
• M14: 10,352,322 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 8.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.57 AU - 3.59 AU

Year: 3666 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,994,574 km

• M1: 104,419 km (0.04 R)
• M2: 369,956 km (0.088 R)
• M3: 727,644 km (0.116 R)
• M4: 1,286,242 km (0.1 R)
• M5: 1,901,838 km (0.106 R)
• M6: 2,354,820 km (0.099 R)
• M7: 2,961,439 km (0.101 R)
• M8: 3,365,653 km (0.101 R)
• M9: 3,648,842 km (0.105 R)
• M10: 4,328,465 km (0.088 R)
• M11: 5,803,500 km (0.089 R)
• M12: 6,156,850 km (0.078 R)
• M13: 7,241,584 km (0.062 R)
• M14: 7,651,333 km (0.027 R)
• M15: 8,726,343 km (0.102 R)
• M16: 9,082,087 km (0.115 R)
• M17: 9,410,604 km (0.052 R)
• M18: 11,678,208 km (0.103 R)
• M19: 15,185,829 km (0.095 R)
• M20: 15,753,254 km (0.107 R)
• M21: 16,334,741 km (0.087 R)
• M22: 21,002,643 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.2

Radius: 5

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.85 AU - 7.49 AU

Year: 10395 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,994,574 km

• M1: 62,233 km (0.032 R)
• M2: 315,502 km (0.076 R)
• M3: 741,257 km (0.082 R)
• M4: 1,566,140 km (0.12 R)
• M5: 1,959,882 km (0.115 R)
• M6: 2,546,305 km (0.109 R)
• M7: 3,309,703 km (0.102 R)
• M8: 3,610,993 km (0.105 R)
• M9: 4,710,987 km (0.106 R)
• M10: 8,833,006 km (0.112 R)
• M11: 11,826,160 km (0.109 R)
• M12: 15,117,762 km (0.07 R)
• M13: 16,736,561 km (0.076 R)
• M14: 18,899,746 km (0.108 R)
• M15: 23,017,876 km (0.093 R)
• M16: 26,313,218 km (0.079 R)
• M17: 30,107,619 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.8

Radius: 7.7

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.98 AU - 8.28 AU

Year: 11579 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,994,574 km

• M1: 95,743 km (0.086 R)
• M2: 376,239 km (0.062 R)
• M3: 699,220 km (0.1 R)
• M4: 1,047,185 km (0.078 R)
• M5: 1,431,502 km (0.113 R)
• M6: 2,049,940 km (0.12 R)
• M7: 2,675,259 km (0.079 R)
• M8: 3,239,542 km (0.06 R)
• M9: 3,609,946 km (0.073 R)
• M10: 3,931,582 km (0.1 R)
• M11: 4,380,824 km (0.103 R)
• M12: 4,689,444 km (0.111 R)
• M13: 5,477,077 km (0.066 R)
• M14: 5,769,391 km (0.076 R)
• M15: 7,044,265 km (0.059 R)
• M16: 8,889,554 km (0.078 R)
• M17: 9,477,624 km (0.088 R)
• M18: 10,043,253 km (0.087 R)
• M19: 10,531,540 km (0.083 R)
• M20: 11,821,822 km (0.107 R)
• M21: 13,622,831 km (0.101 R)
• M22: 14,465,516 km (0.107 R)
• M23: 15,342,608 km (0.1 R)
• M24: 21,926,111 km (0.059 R)
• M25: 23,082,054 km (0.114 R)
• M26: 29,874,695 km (0.071 R)
• M27: 32,335,131 km (0.063 R)
• M28: 32,757,895 km (0.084 R)
• M29: 38,358,689 km (0.057 R)
• M30: 40,644,245 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.47 AU - 11.87 AU

Year: 23639 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,994,574 km

• M1: 276,606 km (0.072 R)
• M2: 854,204 km (0.116 R)
• M3: 1,078,002 km (0.105 R)
• M4: 1,380,788 km (0.104 R)
• M5: 1,916,498 km (0.115 R)
• M6: 2,880,507 km (0.111 R)
• M7: 4,423,609 km (0.077 R)
• M8: 5,305,189 km (0.11 R)
• M9: 7,121,906 km (0.095 R)
• M10: 16,023,428 km (0.071 R)
• M11: 19,167,526 km (0.076 R)
• M12: 21,735,972 km (0.102 R)
• M13: 24,901,613 km (0.117 R)
• M14: 30,802,202 km (0.107 R)
• M15: 33,379,174 km (0.069 R)
• M16: 41,167,090 km (0.063 R)
• M17: 42,505,093 km (0.117 R)
• M18: 44,010,198 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 16,199 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit